Question

what is the anss? btw this is just a practice assignment.

Answer 1

Anime, this is the solution:

Part A. This exponential is decay because the factor of the exponential is below one, and it decreases every year.

Part B.

5,100 * (0.95)^5 =

5,100 * 0.77378 =

3,946 (rounding to the nearest carbon atom)